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CMS ENERGY CORP (CMS)

Name: CMS ENERGY CORP (CMS) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Infrastructure & Utilities · SEC CIK 0000811156 · EDGAR filings · Updated 2026-07-28

CMS ENERGY CORP (CMS) has reported institutional ownership of 94.9%, with 792 institutional managers holding positions valued at $23.1B per the latest 13F reporting period.

Institutional ownership

94.9%

Institutional managers

792

Reported 13F value

$23.1B

Insider activity

59 trans.

−$2.18M net selling

Filings this week (2)

2026-07-28 — Current report (8-K) filed
2026-07-28 — Quarterly report (10-Q) filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

2026-06-16 — Insider transaction reported (Form 4)
2026-06-09 — Initial insider ownership filed (Form 3)
2026-06-03 — Current report (8-K) filed
2026-05-27 — Insider transaction reported (Form 4)
2026-05-26 — 144/A filed
2026-05-13 — Current report (8-K) filed
2026-05-13 — Prospectus supplement (424B5) filed
2026-05-13 — Current report (8-K) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, CMS ENERGY CORP has 792 institutional holders and institutional ownership of 94.9%.

#	Institution	Reported value	% of tracked total
1	BlackRock, Inc.	$2.60B	11.3%
2	VANGUARD CAPITAL MANAGEMENT LLC	$1.54B	6.7%
3	VANGUARD PORTFOLIO MANAGEMENT LLC	$1.46B	6.3%
4	STATE STREET CORP	$1.40B	6.1%
5	JPMORGAN CHASE & CO	$1.22B	5.3%
6	GEODE CAPITAL MANAGEMENT, LLC	$659.2M	2.9%
7	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	$631.1M	2.7%
8	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$614.3M	2.7%
9	DEUTSCHE BANK AG\	$600.9M	2.6%
10	Invesco Ltd.	$593.1M	2.6%

Full holder history and quarter-over-quarter changes are available inside the app.

Insider activity

Insiders reported 59 transactions (1 buys, 8 sells) across 19 reporting insiders, with a net reported value of −$2.18M.

Quarterly net insider value, as reported in Form 4 filings.

Fails-to-deliver

The SEC's fails-to-deliver file for 2026-06-30 reports 81,050 failed-to-deliver shares ($6.32M) for CMS — an official data point published by the SEC, shown as reported.

Related companies

EDISON INTL (EIX) · PPL CORP (PPL) · DTE ENERGY CO (DTB) · EVERSOURCE ENERGY (ES) · NISOURCE INC (NI) · ENERGY TRANSFER L P (ET)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-28.